Resident Population in Corson County, SD was 3.78200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Corson County, SD reached a record high of 5.60000 in January of 1976 and a record low of 3.78200 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Corson County, SD - last updated from the United States Federal Reserve on May of 2024.